restore rendering of non-html outputs

extra_markdown.tpl

@@ -13,12 +13,11 @@
 {% endblock %}
 
 {% block display_data %}
-<div class="thebelab-output" data-output="true">
-{% if output.data['text/html'] %}
-{{ output.data['text/html'] }}
-{% else %}
+{%- if output.data['text/html'] -%}
+<div class="thebelab-output" data-output="true">{{ output.data['text/html'] }}{% else %}
+<div class="thebelab-output" data-output="true" markdown="1">
 {{ super() }}
-{% endif %}
+{%- endif -%}
 </div>
 {% endblock %}